[PATCH] D23243: [clang-tidy] enhance modernize-use-bool-literals to check ternary operator

Aaron Ballman via cfe-commits cfe-commits at lists.llvm.org
Sun Aug 7 12:19:22 PDT 2016

aaron.ballman added inline comments.

Comment at: clang-tidy/modernize/UseBoolLiteralsCheck.cpp:51-52
@@ -34,4 +50,4 @@
 void UseBoolLiteralsCheck::check(const MatchFinder::MatchResult &Result) {
-  const auto *Literal = Result.Nodes.getNodeAs<IntegerLiteral>("literal");
-  const auto *Cast = Result.Nodes.getNodeAs<Expr>("cast");
-  bool LiteralBooleanValue = Literal->getValue().getBoolValue();
+  for (const auto &BindingName :
+       {"literal", "trueBranchLiteral", "falseBranchLiteral"}) {
+    const auto *Literal = Result.Nodes.getNodeAs<IntegerLiteral>(BindingName);
omtcyfz wrote:
> aaron.ballman wrote:
> > Any reason not to name the bind "literal" in all three cases? That eliminates the need for the loop entirely, since `check()` will trigger for each instance of a match.
> It doesn't make sense to try binding both `TrueExpression` and `FalseExpression` literals to a single value.
Why? In all three cases, you don't care what matched, just that *some* case is matched. None of the logic in `check()` relies on which part of the expression is matched.


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